The Energetically Autonomous Tactical Robot (EATR) is being designed by Robotic Technology Inc to "...find, ingest, and extract energy from biomass in the environment (and other organically-based energy sources)..." in order to power itself while completing its various tasks. The Robotic Technology's website also claims that the robot will be capable of operating on more traditional fuels, like gas, diesel, propane, and solar), but that the machine's primary source of fuel will be the biomass that it forages for itself (mainly twigs, leaves, and other forms of plant life).
In fact, according to its creators the one thing that the EATR will not be able to attain power from is human (or animal) remains. In a press release Thursday Robotic Technology Inc claimed that:
"Despite the far-reaching reports that this includes "human bodies," the public can be assured that the engine Cyclone (Cyclone Power Technologies Inc.) has developed to power the EATR runs on fuel no scarier than twigs, grass clippings and wood chips -- small, plant-based items for which RTI's robotic technology is designed to forage. Desecration of the dead is a war crime under Article 15 of the Geneva Conventions, and is certainly not something sanctioned by DARPA, Cyclone or RTI."
Of course, what the scientists at RTI mean is "not yet". At some point, this robot (which according to a previously published article found at this website) will be built by other robots for the expressed purpose of making these machines more efficient and capable of adapting to its environment. There are times in a battlefield (especially with our most recent military adventures being located within urban areas located in geographic regions located deep in the desert) where biomass (such as leaves and twigs) will not be as readily available for the robot to "feed" itself... but bodies are. And the robot, programmed to make itself more efficient, will see no other alternative to maintaining itself powered up than to start using humans are a primary fuel source... just like in the fucking Matrix.
So you read it here first folks...
Judgment Day is coming... don't act all shocked when it finally happens.